adds action buttons to main.rb

main.rb

@@ -3,8 +3,6 @@
 
 RUI::Application.init('hello') do |app|
   final = ScanMonocle.new('samples/01-a-100-2.png')
-  final = final.to_color_monocle
-  final = final.to_gray_monocle
 
   widget = Qt::Widget.new
   widget.gui = RUI::autogui do
@@ -16,11 +14,26 @@
         label :name => :footer_label, :text => 'Footer'
       end
       layout :type => :vertical do
-        button :name => :hello, :text => 'Hello'
+        button :name => :colorize, :text => 'Colorize'
+        button :name => :grayify, :text => 'Grayify'
         button :name => :quit, :text => 'Quit'
       end
     end
   end
+  widget.colorize.on(:clicked) do
+    final = final.to_color_monocle
+    widget.pic_label.pixmap = final.image
+
+    # todo - should be automagic
+    widget.colorize.enabled = false
+  end
+  widget.grayify.on(:clicked) do
+    final = final.to_gray_monocle
+    widget.pic_label.pixmap = final.image
+
+    # todo - should be automagic
+    widget.grayify.enabled = false
+  end
   widget.quit.on(:clicked) { app.exit }
   widget.show
 end